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Finding the Fourth Proportional to 329,046.70, 454,042.70 and 193,031.02

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Solution

The fourth proportional to 329,046.70, 454,042.70 and 193,031.02 is: 266,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,046.70 : 454,042.70 = 193,031.02 : x
  2. Step 2: Convert to fraction form
    329,046.70/454,042.70 = 193,031.02/x
  3. Step 3: Cross multiply
    329,046.70x = 454,042.70 × 193,031.02
  4. Step 4: Simplify right side
    329,046.70x = 87,644,325,504.55
  5. Step 5: Solve for x
    x = 87,644,325,504.55/329,046.70
  6. Step 6: Final answer
    x = 266,358.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.